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Publications
Publications (50)
Ganesh Dash and Justin Paul authored an article titled “CB-SEM vs. PLS-SEM methods for research in social science and technological forecasting” in a special issue of Technological Forecasting and Social Change, co-edited by Justin Paul. Unfortunately, the article’s central conclusion – “CB or PLS or PLSc do not matter” – is misleading and at odds...
Confirmatory composite analysis (CCA) is a structural equation modeling (SEM) technique that specifies and assesses composite models. In a composite model, the construct emerges as a linear combination of observed variables. CCA was invented by Jörg Henseler and Theo K. Dijkstra in 2014, was subsequently fully elaborated by Schuberth et al. (2018),...
There are various techniques for separately analyzing moderation and mediation effects in partial least squares structural equation models (PLS-SEM). These individual techniques are rather straightforward and widely understood. However, valid approaches for testing more complex moderated mediation effects that are embedded together in a single mode...
Purpose
The purpose of this paper is to investigate the extent to which financial behavior and financial well-being are affected by cognitive and non-cognitive factors in a specific Romanian post-communist context. This study shows that financial well-being is significantly linked to both financial education and to a set of non-cognitive factors. T...
Purpose
This study aims to explore the relationship between different categories of motivation and the intention to engage in collaborative consumption (CC), using attitude as a mediator.
Design/methodology/approach
The authors extend an existing measurement scale focused on sustainability, enjoyment, reputation and economic benefits, as factors r...
The use of virtual worlds as an emerging technology is already having a significant impact on business to consumer commerce and on corporate Internet retailing strategies. This research investigates consumer behavior in e-commerce retail environments, particularly with respect to consumer attitudes toward using virtual world's shopping compared to...
One major element to assess construct validity in positivism research is nomological validity, a concept that is still considered new in IS research. There exists very limited research on how nomological validity is manifested in IS research measurement, and how the existence of nomological validity is established. However, concrete procedures to e...
Partial least squares (PLS) path modeling is a variance-based structural equation modeling technique that is widely applied in business and social sciences. It is the method of choice if a structural equation model contains both factors and composites. This chapter aggregates new insights and offers a fresh look at PLS path modeling. It presents th...
Purpose
– Partial least squares (PLS) path modeling is a variance-based structural equation modeling (SEM) technique that is widely applied in business and social sciences. Its ability to model composites and factors makes it a formidable statistical tool for new technology research. Recent reviews, discussions, and developments have led to substan...
Theoretical models are often conceived and tested in western countries. However, culture influences theoretical models, and the importance of evaluating models in non-western cultures has grown with the accelerating pace of globalization. The technology acceptance model (TAM) is no exception, and more TAM research is being conducted in non-western...
This study investigates technology adoption behavior of Saudi Arabian knowledge workers using desktop computers within the context of TAM2, and the unique effects of Saudi culture on IT adoption within the developing, non-Western, country. Following the guidelines of the etic-emic research tradition, which encourages cross-cultural theory and frame...
Theoretical models are often conceived and tested in western countries. However, culture influences theoretical models, and the importance of evaluating models in non-western cultures has grown with the accelerating pace of globalization. The technology acceptance model TAM is no exception, and more TAM research is being conducted in non-western co...
Governments worldwide have, increasingly, implemented e-government initiatives for their potential significant benefits; among which, delivering better services to citizens through increasing citizens' convenience, satisfaction, and independence; and saving their time, effort, and cost. Achieving each benefit is an objective to these governments an...
This paper aims to understand the effect of management of change on the success of information system (IS) implementation. Drawing on change management research and self-determination theory, a research model is developed. Data collected from a longitudinal field survey before, during, and after an enterprise-wide IS implementation are analyzed to...
This study investigates technology adoption behavior of Saudi Arabian knowledge workers using desktop computers within the context of TAM2, and the unique effects of Saudi culture on IT adoption within the developing, non-Western, country. Following the guidelines of the etic-emic research tradition, which encourages cross-cultural theory and frame...
Qualitative research is just as able as quantitative research to follow certain fundamental principles of logic in general and scientific reasoning in particular. Two such principles are the logic of modus ponens and the logic of modus tollens. In this essay, we frame different research approaches—positivist research, interpretive research, action...
Most computer applications feature visual user interfaces that assume that all users have equivalent propensities to perceive, interpret, and understand the multidimensional spatial properties and relationships of the objects presented. However, the hunter-gatherer theory (Silverman & Eals, 1992) suggests that there are modern-day differences betwe...
Most computer applications feature visual user interfaces that assume that all users have equivalent propensities to perceive, interpret, and understand the multidimensional spatial properties and relationships of the objects presented. However, the hunter-gatherer theory (Silverman & Eals, 1992) suggests that there are modern-day differences betwe...
Most computer applications feature visual user interfaces that assume that all users have equivalent propensities to perceive, interpret, and understand the multidimensional spatial properties and relationships of the objects presented. However, the hunter-gatherer theory (Silverman & Eals, 1992) suggests that there are modern-day differences betwe...
Most computer applications feature visual user interfaces that assume that all users have equivalent propensities to perceive, interpret, and understand the multidimensional spatial properties and relationships of the objects presented. However, the hunter-gatherer theory (Silverman & Eals, 1992) suggests that there are modern-day differences betwe...
The unified theory of acceptance and use of technology (UTAUT), a model of the user acceptance of IT, synthesizes elements from several prevailing user acceptance models. It has been credited with explaining a larger proportion of the variance of ‘intention to use’ and ‘usage behavior’ than do preceding models. However, it has not been validated in...
Purpose
This paper aims to investigate the effects of gender, age and education on new technology implementation in Saudi Arabia, a technologically developing country, using the Theory of Planned Behavior (TPB).
Design/methodology/approach
The research was an empirical investigation based on surveys completed by 1,088 Saudi knowledge workers.
Fin...
Cultural and globalization issues are known to affect the organizational use of information technology (IT). In particular, studies have indicated that a variety of cultural and globalization factors effect the organizational adoption and diffusion of IT. Among socio-cultural factors, the differing effects of gender, social norms, beliefs and value...
TAM specifies a pathway of technology acceptance, from external variables to beliefs, attitudes, and system usage. We tested one of its assumptions that the ‘perceived ease-of-use’ and ‘perceived usefulness’ constructs fully mediate the influence of external variables on usage behaviors. Using a survey of 125 employees of a U.S. Government agency w...
Most computer applications feature visual user interfaces that assume that all users have equivalent propensities to perceive, interpret, and understand the multidimensional spatial properties and relationships of the objects presented. However, the hunter-gatherer theory (Silverman & Eals, 1992) suggests that there are modern-day differences betwe...
A critical assumption of the Technology Acceptance Model (TAM) is that its belief constructs - perceived ease of use (PEOU) and perceived usefulness (PU) - fully mediate the influence of external variables on IT usage behavior. If this assumption is true, researchers can effectively "assume away" the effects of broad categories of external variable...
A critical assumption of the Technology Acceptance Model (TAM) is that its belief constructs - perceived ease of use (PEOU) and perceived usefulness (PU) - fully mediate the influence of external variables on IT usage behavior. If this assumption is true, researchers can effectively "assume away" the effects of broad categories of external variable...
The ever-increasing power and complexity of available hardware and software has enabled the development of a wide variety
of visualization techniques that allow the ever more concise presentation of data. Associated with this trend is the challenge
to condense and convey ever-increasing amounts of useful information into smaller and smaller spaces....
Cultural and globalization issues are known to affect the organizational use of information technology (IT). In particular, studies have indicated that a variety of cultural and globalization factors effect the organizational adoption and diffusion of IT. Among socio-cultural factors, the differing effects of gender, social norms, beliefs and value...
More powerful computer hardware and software has enabled the development of numerous depth-cue techniques to depict the three-dimensional (3D) characteristics of computer-generated imagery. Particularly, the role of stereoscopic viewing in promoting the depth perception of objects in 3D space has been widely studied. However, there has been little...
There has been a recent trend to develop new, complex, and often predominantly visual, user interfaces as media 'front ends' to computer applications. This trend assumes that varied user groups have equivalent propensities to perceive, interpret, and understand the multi-dimensional spatial properties and relationships of objects visually presented...
The technology acceptance model (TAM) predicts whether users will ultimately use software applications based upon causal relationships among belief and attitudinal constructs that influence usage behavior. Electronic mail, or email, is a collaborative technology available to virtually all members of an organization, and typically, there are alterna...
This article reviews the more powerful 3D depth cue display techniques and then presents a formal experimental study that examines the power of cast shadows in providing depth 4
This article reviews the more powerful 3D depth cue display techniques and then presents a formal experimental study that examines the power of cast shadows in providing depth information needed to complete 3D object positioning and resizing tasks. The findings are discussed with respect to theory, and future research.
F13.29> 1. Introduction Within the context of this study, spatial information relates to objects and their relationships that exist in large- and small-scale geographic space. Spatial information pertains to the size, shape, orientation and absolute and relative locations of geographic objects. An example of large-scale geographic space is a town,...
Previous studies have demonstrated that motion cues combined with stereoscopic viewing can enhance the perception of three-dimensional objects displayed on a two-dimensional computer screen. Using a variant of the mental rotation paradigm, subjects view pairs of object images presented on a computer terminal and judge whether the objects are the sa...
The Technology Acceptance Model (TAM) predicts the user acceptance of end-user applications by specifying causal relationships among belief and attitudinal constructs that subsequently influence usage behavior. Although the perceived usefulness and perceived ease of use constructs have received a great deal of attention in MIS literature, very few...
This extended abstract presents preliminary results of an experiment that explores the effects of stereoscopic and monoscopic viewing, and controlled and uncontrolled motion, on the accuracy and speed of visually comparing and matching solid and wire frame cube- and sphere-based objects presented on a computer screen.
Numerous recent studies have utilized perceived usefulness and perceived ease of use measures to predict the user acceptance of information technologies. This study presents the results of an experiment in which subjects assess the usefulness and ease of use of qualitatively distinct user interface features. Using structural equation modeling, the...
The Technology Acceptance Model (TAM) predicts the user acceptance of end-user applications by specifying causal relationships among external variables, belief and attitudinal constructs, and actual usage behavior. Although the perceived usefulness and perceived ease of use constructs have received much recent attention in the MIS literature, few s...
Previous studies have provided evidence of multi-level mental representations of language-conveyed spatial information. However, available evidence is largely inconsistent and inconclusive with regard to the structure of these mental representations. In this paper we will examine the theoretical issues raised by such studies and describe an upcomin...
The perceived usefulness and perceived ease of use constructs have received widespread recent attention as predictors of the user acceptance of information technologies. In this study, the perceived usefulness and perceived ease of use of user interfaces are modeled as predictors of task accuracy, task latency and user confidence in decision qualit...
User satisfaction surveys are frequently used as surrogate measures of system effectiveness in spite of uncertainty whether user perceptions adequately measure system effectiveness. Furthermore, there is conflicting evidence whether effective system use is the cause, or the consequence, of user satisfaction. This study examines the relationship of...
Antecedents of the Technology Acceptance Model (TAM) have been the focus of research on user intentions toward new technology in developed countries for years. Findings from these studies can potentially reveal new methods to improve employee acceptance and use of new systems. The present study investigates whether the antecedents of perceived usef...













































































